Dung, D. V., & Nam, V. H. (2014). An analytical approach to analyze nonlinear dynamic response of eccentrically stiffened functionally graded circular cylindrical shells subjected to time dependent axial compression and external pressure. Part 1: Governing equations establishment. Vietnam Journal of Mechanics, 36(3), 201–214. https://doi.org/10.15625/0866-7136/36/3/3984